Question for ppl good with computors...?

I wanna make my boyfriend a book of all the online chats weve ever had for his birthday. That way, he'll remember everything weve ever been through. I thinks thts a rly good idea cuz im movin this summer, and this is something he can keep forever. One problemo...idk how to find my chats on aim...is there any possible way for me to get them? are they saved anywhere...probably not but idk